1. Connection of wire rope
1. Rolling head method: the general number of rolling head shall not be less than 3, the spacing between the rolling head shall not be less than 5~6 times the rope diameter, the last rolling head should be kept 140~150mm, the rolling head tightened to the wire rope flattened about 2/3.
2. Sleeve method: the wire rope head is set in the steel pipe of a certain thickness and length, and the steel pipe is flattened in the press.
3. Lead melting method: disassemble and wash the wire rope, wear it in the conical sleeve, bend the end of the wire into a hook shape and fill it with lead alloy, and cool it.
4. Knitting method: the rope set into the heart-shaped pad ring, the use of steel wire woven together, and then the end of the wire tie tight, the length of the knitting is 20~25d, generally not less than 300mm.
2. Maintenance of wire rope
1. Inventory and transfer wire rope should be arranged in rolls, not overlapping stacking, and should be separated from corrosive articles, pay attention to moisture-proof, anti-extrusion;
2. The wire rope in use should be suspended on the rope frame, and it is best to make obvious marks according to the specifications to prevent mistakes;
3. After the wire rope is used, it should be dried, brushed to remove dirt and grease, and coated with anti-rust oil on the surface. 3. The selection of steel wire rope should meet the requirements and the connection method should be correct
1. The end of the wire rope shall have more than 2 fixed pressing plates or be fixed on the drum and other components with wedges.
2. When the hook and other retrieving devices are in the lowest position (including the pit), the number of winding laps of the wire rope on the drum shall be not less than 2 laps except the number of winding laps fixed on the rope tail.
